How Robert Keys's Defense Independent ERA Compares to Similar Players
Robert Keys posted a career Defense Independent ERA of 4.28, near the starting pitcher average of 4.03 — a profile that tracked closely with league norms. His strongest Defense Independent ERA season came in 1941, posting 3.24. The highest point came in 1945 at 7.5. Production slipped through the final seasons. The figure moved from 3.31 in 1943 to 3.7 in 1944 and 7.5 in 1945. The decline marked the closing chapter of the career. Significant season-to-season variance characterizes the Defense Independent ERA profile — ranging from 3.24 to 7.5 — though the career average tracked near league norms.
Robert Keys Lifetime Defense Independent ERA
Stats similar to Defense Independent ERA for Robert Keys
| Robert Keys
Defense Independent ERA |
|---|
| Career | 4.28 |
| Season Avg. | 4.28 |
| 162 Game Avg. | 4.28 |
| More Info | See More |
Robert Keys Defense Independent ERA Per Season
Robert Keys's Defense Independent ERA for each season of his MLB career, plotted against that year's league average. Switch between comparisons — Negro American League, Hall of Fame, SP, North America, or players born in the same country — to see how he stacked up year by year.
Robert Keys Defense Independent ERA by Team
Robert Keys's career Defense Independent ERA totals broken down by each team he played for, ordered by when he first joined that team.
Robert Keys Defense Independent ERA Year-Over-Year Change
A waterfall chart tracking how Robert Keys's career Defense Independent ERA shifted from season to season. Each bar represents the change added to his career total that year, making peak and decline phases easy to spot.
Robert Keys Defense Independent ERA Distribution vs. Comparable Players
Each box summarizes Robert Keys's seasonal Defense Independent ERA alongside a selected comparison group across all seasons he played. The box covers the middle 50% of seasons, the center line is the median, and the whiskers extend to the min and max. A tighter box means more consistency; a higher median means more output. Use the selector to switch comparison groups.
Robert Keys Defense Independent ERA — Season-by-Season Breakdown
Every season of Robert Keys's MLB career with Defense Independent ERA alongside league, Hall of Fame, positional, birth region, and country-of-birth averages for that year. Career totals include sum, average, min, max, and median.
Note: A dash (—) means no qualifying players existed in that comparison group for that season. Most commonly this happens for the Hall of Fame group.
